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csrss.exe

Generic Malware PE32 PE File
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6402 June 21, 2021, 5:23 p.m. June 21, 2021, 5:26 p.m.
Size 88.0KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 789a47d33ce65dad5fd40c1e656cf638
SHA256 17dddb2e6db0aa7d67c0e63f1129dde91f471fb6c5ce41d1e1574d8403ecd1ad
CRC32 92318B20
ssdeep 768:bOBYycoRhQqLpQ5PiRvwgo87goAub5sIE6uN2+JG39BztoLou6THw4tM+y9GFzyB:0zjCoOPiugp3AsQN2RTiku6TQrt9uWp
Yara
  • PE_Header_Zero - PE File Signature
  • Generic_Malware_Zero - Generic Malware
  • IsPE32 - (no description)

Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action
142.250.66.131 Active Moloch
172.217.25.14 Active Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 8024
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73772000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 8024
region_size: 61440
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x02600000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 8024
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 876544
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x773b0000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 8340
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 876544
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x773b0000
process_handle: 0xffffffff
1 0 0
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 8024
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 24576
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x003f0000
process_handle: 0xffffffff
1 0 0
host 142.250.66.131
host 172.217.25.14
Time & API Arguments Status Return Repeated

EnumServicesStatusA

 service_handle: 0x005c0658
service_type: 48
service_status: 3
0 0
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
FireEye Generic.mg.789a47d33ce65dad
Sangfor Trojan.Win32.Save.a
Symantec ML.Attribute.HighConfidence
APEX Malicious
DrWeb Trojan.PackedENT.227
Microsoft Trojan:Win32/Wacatac.B!ml
BitDefenderTheta Gen:NN.ZevbaF.34758.fm0@ai2mGOoi
SentinelOne Static AI - Suspicious PE
eGambit Unsafe.AI_Score_78%
Time & API Arguments Status Return Repeated

CreateProcessInternalW

 thread_identifier: 3908
thread_handle: 0x0000015c
process_identifier: 8340
current_directory:
filepath: C:\Users\test22\AppData\Local\Temp\csrss.exe
track: 1
command_line: "C:\Users\test22\AppData\Local\Temp\csrss.exe"
filepath_r: C:\Users\test22\AppData\Local\Temp\csrss.exe
stack_pivoted: 0
creation_flags: 4 (CREATE_SUSPENDED)
inherit_handles: 0
process_handle: 0x00000160
1 1 0